I really love this calculator. I’m using PCalc on OS X, iOS and now finally on the Apple Watch.
As the rest has been brilliant for quite some time, here’s my opinion on the Watch version: The developer really made more out of the restricted UI than I thought possible. Therefore, I find myself quite often standing there like a real geek, using a calculator-watch …
Finally, the developer is quite open to suggestions. Sending him an email does often result in new functionality.
Swissbob about PCalc, v3.5.3